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https://issues.apache.org/jira/browse/HBASE-3981?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ming Ma resolved HBASE-3981.
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Resolution: Duplicate
Hadoop Flags: [Reviewed]
> CheckAndPut doesn't work when value == null
> -------------------------------------------
>
> Key: HBASE-3981
> URL: https://issues.apache.org/jira/browse/HBASE-3981
> Project: HBase
> Issue Type: Bug
> Reporter: Ming Ma
> Assignee: Ming Ma
> Priority: Blocker
>
> When value == null, as in
> boolean res = hTable.checkAndPut(rowId, famA, col, null, put);
> In HRegion.java,
> int compareResult = comparator.compareTo(result.get(0).getValue());
> comparator will be null, NPE will be thrown.
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